Equivalent measurement is obtained when the relations between observed test scores and the latent attribute measured by the test are identical across subpopulations.

若观测变量和潜在特质之间的关系在相比较的群体之间等同，就称该量表具备测量等价性。

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One obvious phenomenon is that the first row with Baochao also to silver equivalent calculation, then simply straight spindle unit of measurement of po.

一个明显的现象是，最初行用宝钞时还以折合银锭计算，后来索性径直用锭为单位来衡量宝钞。

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On the research of traditional phase noise measurement methods, a new phase processing and phase noise measurement method based on Equivalent phase Comparison Frequency is proposed in this paper.

本论文在对传统相位噪声测量方法研究的基础上，提出了基于等效鉴相频率的相位处理和相位噪声的测量。

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Twenty-one thousand Pakistani rupees for a four-kilo package, the farmer said, and he harvested three to four kilos per jirib (a local land measurement equivalent to about half an acre).

NEWYORKER: The Taliban��s Opium War

Current regulations mean draught beer must be sold in pints (equivalent to 568ml), halves (284ml) or the little-known one-third measurement.

BBC: Changes to Isle of Man alcohol measurements scrapped